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Posted to dev@hive.apache.org by "Vikram Dixit K (JIRA)" <ji...@apache.org> on 2015/06/17 00:01:00 UTC

[jira] [Created] (HIVE-11027) Hive on tez: Bucket map joins fail when hashcode goes negative

Vikram Dixit K created HIVE-11027:
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             Summary: Hive on tez: Bucket map joins fail when hashcode goes negative
                 Key: HIVE-11027
                 URL: https://issues.apache.org/jira/browse/HIVE-11027
             Project: Hive
          Issue Type: Bug
          Components: Tez
    Affects Versions: 1.0.0
            Reporter: Vikram Dixit K
            Assignee: Prasanth Jayachandran


Seeing an issue when dynamic sort optimization is enabled while doing an insert into bucketed table. We seem to be flipping the negative sign on the hashcode instead of taking the complement of it for routing the data correctly. This results in correctness issues in bucket map joins in hive on tez when the hash code goes negative.



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